First of all the description at Hive is poor. Secondly it lacks a informations inside quests (F9) because when the information, which is displayed at the beginning disapears, there is no way, to get that info later.
And another thing is how you binded the colors. I`d suggest you using skills, which represents each color or make the info, which shows what arrow key represents each color, because I wasn`t able to remember what arrow key is what color the first time playing it, so I couldn`t get any point because of pressing wrong keys. Otherwise it`s good. Wwhen played too long, it becomes a little bit boring.
But it`s nice alternative for guitar hero ^^
I rate it 2/5 now, and if you fix it I`ll vote it for 3, but too short description, forces me to use "reject" button. Even if it`s just a minigame, it should have longer description.